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Find and Replace
Find literal text or a regular expression and preview safe replacements.
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Text Comparison
Compare an original and revised passage using accessible side-by-side or unified output with line and word-level changes.
Both versions stay in your browser.
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How to use Text Comparison
- 1Paste the original and revised versions.
- 2Choose side-by-side or unified view and any ignore rules.
- 3Review the labelled changes or download a summary.
Common uses
- Reviewing edited copy
- Checking configuration changes
- Summarising revisions between drafts
Good to know
- Very large comparisons can take time and trigger a warning.
- Moved lines may appear as a removal and an addition.
Frequently asked questions
Does the comparison rely only on colour?
No. Every change is also labelled Added, Removed or Changed for assistive technology and monochrome viewing.
Can I ignore formatting spaces?
Yes. Enable ignore whitespace, ignore case, or both.
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